Coupling.



ME'IZGER.

` ooUPLING, l 'A'PPLIUA'TIQH FILED 11:15.21, 1912.v

1,033,187. Patented July 23,1912. I

L-.l l v l awww,

- UNiTED sTATiis PATENT onirica.

SHERMAN E. METZGER! 0F SILER LAKE, INDIANA.v

COUPLIN G.

To all vw/zom- 'it lmay conc-era.:

Be vitfknown that I, SHERMAN E. METZGER, a. citizen of the United States, residing at Silver Lake, in the county of Kosciusko and State of Incliaiia, liave invented certain new and useful Improvements in Couplings, of which the following is a specification, reference being had to the accompanying drawings.

This invention relates to couplings and more particularly to an improved hose or pipe coupling', the invent-ion having for its primary object to provide simple and etlicieiit means for securely and quickly coupling the ends of hose or pipe sections together.

Another and more specific object. of the invention is to provide a female coupling 1nember` having longitudinal and transverse grooves in itsinner wall and a male coupling member provided with a locking ineinber for movement in said grooves, the base of one of the transverse grooves in the first named member being provided with means to cooperate with said locking member whereby the coupling members are held against inadvertent or causal relative movement.

Vith the above and other objects in view, the invention consists of the novel features of construction, combination and arrangementl of parts hereinafter fully described and claimed, and illustrated in. the accompanying drawings, in whichn Figure 1 is a longitudinal section of a hose or pipecoupling embodying the present invention; Fig. 2 is a sectiontakeii on the line Q-Q of Fig. 1; and Figs. 3 and Ll are detail perspective views of the respective coupling heads.

Referring in detail to the drawing 5 designates the female coupling which is provided with an interior annular shoulder G formed therein by enlarging the internal diameter of said coupling head at one end. A gasket T is arranged againstsaid shoulder upon which the en d of -the reduced end 9 of the male coupling S is adapted tobe seated. This reduced end of the coupling head 8 provides an exterior annular slioulder 10 between which and the enlarged end of the coupling head 5 a suitable gasket 11 is arranged. ln this manner a practically water-tightjoint between the coupling heads is obtained.

The enlarged end of the female coupling Specification lo`f Letters Patent. i Patented July 23, 1912` Application filed February 21, 1912. Serial No. 679,205.

head 5 is provided witha groove or channel including outer and innerlongitudinally'extending portions 12 and 13 respectively and -l outer and inner transverse 'portions`14 and 15. The longitudinal portions of this groove or channel are disposed out of alinement and the outer end of the portion 13 is connected to the inner end of the portion 12 of the groove by means of the transverse outerportion 14 thereof. `The inner transversely extending end 15 of this groove or channel is comparatively short and the -base wall thereof where the same is connected to the longitudinal groove portion 13 is provided with a projection or protuberance 16. p

Upon the periphery of the reduced end portion 9 of the male coupling head 8 a heavy leaf spring 1T is riveted or otherwise rigidly secured at one of its ends, the free end of said spring being adapted to be received in a notch or recess 1S provided in the periphery of the coupling head when said spring is placed under compression. By means of this construction, it will be readily seen that when the coupling heads are connected, the spring plate 17 on the niale coupling head is disposed in the outer longitudinal end portion 12 of the groove or channel in the coupling head 5, and is moved inwardly.' The male coupling head is then turned to move the spring plate carried thereby through the transverse outer portion l-l of the channel and is then again forced in a longitudinal direction into the female head through the inner portion 13 of said groove. ll'hen the spring 17 is disposed in the inner end of the portion 13 of t-he groove or channel, considerable force-1iiust be applied to the male coupling head in order to'turn the same so as to move said spring plate over the projection 16 upon the base wall of the inner transverse portion 15 of the groove in the coupling head In this forced movementI of the coupling head, the spring 1T is moved into the recess 18 in the periphery of the male head until said spring has .passed over the projection 16 Awhen it again assumes its normal position in the end of the transverse groove portion 15. Then the coupling heads have thus been connected, the ends of the heads will be seated against the gaskets T and 11 and said heads will retain their relative coupled p sitions until sufficient rotative force is applied to the heads in opposite directions to move the '1z0A d v Aand eilicient vin practical use. while I have shown and described the preferred construcy13 of the groove in the female coupling head.

From the foregoing itI will be seen that l havedevised a verysimple, eicient and dhr-able' coupling for hose or -pipes vvherebv tion and larrangemen't ofthe various parts, it will, beunderstood that the `invention is "sceptible oconsiderable modification Withiolltrdepart-i-ng from the `Aessential feat-ure or :taci-iii(sing any of thea'clvantages thereof.

"A" Haring thus describedthe invent-ion what is claimed is The combination oi?` a female coupling head provided with a groove in itsv inner spring 17 over the projection 16 ,into the .inner end of the longitudinal inner portion 3 Wall and having its inner end transverselyv disposed, said transversely disposed inner tTend of the groove having a projection formed on its base vvall,`a inale coupling head p'rovidedvvvit-h a reduced portion to be received in the female coupling head, and

a leaf spring rigidly xed at one end lto the reduced portion of the male head, being provided with a recess in its periphery to receive the free end of said spring, said springbeing adapted Jrior movement into the transverse'groove portion of the i'eniale head and cooperating with said projection to hold Said coupling heads'against casual relative rotative movement.

*Iny testimony whereof I hereunto atlix my signature in the presence of tivo witnesses.

v i SHERMAN E. METZGER.

Witnesses:

A. I. URSCHEL., CALVIN War.-

said head' 

